Core-i5 meaning

A family of dual and quad core, 64-bit, x86 CPUs from Intel, introduced in 2009. The Core i5 chips are the midrange CPUs in the Core "i" line between the entry-level i3 and the high-performance i7 series. Certain models of the i5 family include the Turbo Boost feature (see Turbo Boost). See Core i7 and Core i3.